Piano,Violin - Level 1 - Digital Download SKU: A0.697546 Composed by Medieval Carol. Arranged by Sandy McIntire. Christian,Christmas,Concert,Renaissance,Sacred. 2 pages. Sandy McIntire #4889625. Published by Sandy McIntire (A0.697546). Unto Us Is Born A Son, Puer Nobis Nascitur, is a Christmas carol, first published in a collection of Latin songs, the Piae Cantiones, in 1852. This arrangement of the simple melody is for easy/beginning violin with a simple piano accompaniment. The carol's simplicity makes it perfect for beginning students to play in worship services, Christmas programs or recitals.